Hi,
I have two tables and I want to get summary
information from the second table for each row of the first table, I can see two
ways to do this one is with the SQL below but since the first table is very big
the group by takes a long time and there is no need since it is unique.
The seco
Have you run 'vacuum analyze log;'? Also I believe
that in Oracle count(1) used to be quicker than count(*).
Matthew
- Original Message -
From:
Sezai YILMAZ
To: Richard Huxton
Cc: [EMAIL PROTECTED]
Sent: Wednesday, January 14, 2004 12:39
PM
Subject: Re: [GENERA
- Original Message -
From:
Patrick
Hatcher
To: [EMAIL PROTECTED]
Sent: Thursday, November 20, 2003 12:34
AM
Subject: [GENERAL] Pg_dumpall
problem
Did a pg_dumpall from my production database (7.3.2) and I tried to
restoreto my Dev database (7.4). I
Do something like:
CREATE OR REPLACE FUNCTION my_date_part( timestamp)
RETURNS DOUBLE precision AS 'DECLARE mydate ALIAS FOR
$1;BEGIN return date_part( ''day'', mydate );END;' LANGUAGE
'plpgsql' IMMUTABLE;
create index idx_tmp on stat_views( my_date_part( created ) );
or add an extra date_p